The Date and Time Calculator

Calculate how long between two dates & times - Find out how long until your birthday!
Add and subtract days/time to or from a date - When would your 100 day challenge end!?

Share these results!
Repeat the addition/subtraction of days/time many times.
Year ranges from 1-10000!

Results are available in lots of different units!
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- Days
- Business Days
- Weekend Days

- Weeks
- Months
- Months & Weeks

- Years
- Years & Months

- Hours
- Minutes
- Seconds